android 4.3 获取 图片 与android 4.4 会有些地方不同:
java
安卓4.4以前:content://media/external/images/media/1234
android
安卓4.4:content://com.android.providers.media.documents/document/image:1234app
解决办法:
ide
Intent intent=new Intent(Intent.ACTION_GET_CONTENT);//ACTION_OPEN_DOCUMENT intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType(MIME_TYPE_IMAGE); intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri.toString()); intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString()); intent.putExtra("return-data", false); if(android.os.Build.VERSION.SDK_INT>=android.os.Build.VERSION_CODES.KITKAT){ startActivityForResult(intent, RESULT_CODE_FOR_GET_PHOTO_FROM_ABULM_KITKAT); }else{ startActivityForResult(intent, RESULT_CODE_FOR_GET_PHOTO_FROM_ABULM); }
获取图片方式:ui
/** * >=API 19 获取图片的方式 * @param context * @param uri * @return */ public static String GetFilePathFor(final Context context, final Uri uri) { final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; // DocumentProvider if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { // ExternalStorageProvider if (isExternalStorageDocument(uri)) { final String docId = DocumentsContract.getDocumentId(uri); final String[] split = docId.split(":"); final String type = split[0]; if ("primary".equalsIgnoreCase(type)) { return Environment.getExternalStorageDirectory() + "/"+ split[1]; } } // DownloadsProvider else if (isDownloadsDocument(uri)) { final String id = DocumentsContract.getDocumentId(uri); final Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"),Long.valueOf(id)); return getDataColumn(context, contentUri, null, null); } // MediaProvider else if (isMediaDocument(uri)) { final String docId = DocumentsContract.getDocumentId(uri); final String[] split = docId.split(":"); final String type = split[0]; Uri contentUri = null; if ("image".equals(type)) { contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; } else if ("video".equals(type)) { contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; } else if ("audio".equals(type)) { contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; } final String selection = "_id=?"; final String[] selectionArgs = new String[] { split[1] }; return getDataColumn(context, contentUri, selection,selectionArgs); } } // MediaStore (and general) else if ("content".equalsIgnoreCase(uri.getScheme())) { // Return the remote address if (isGooglePhotosUri(uri)) return uri.getLastPathSegment(); return getDataColumn(context, uri, null, null); } // File else if ("file".equalsIgnoreCase(uri.getScheme())) { return uri.getPath(); } return null; } public static String getDataColumn(Context context, Uri uri, String selection,String[] selectionArgs) { Cursor cursor = null; final String[] projection = { MediaStore.Images.Media.DATA }; try { cursor = context.getContentResolver().query(uri, projection,selection, selectionArgs, null); if (cursor != null && cursor.moveToFirst()) { final int index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); return cursor.getString(index); } } finally { if (cursor != null) cursor.close(); } return null; } public static boolean isExternalStorageDocument(Uri uri) { return "com.android.externalstorage.documents".equals(uri.getAuthority()); } public static boolean isDownloadsDocument(Uri uri) { return "com.android.providers.downloads.documents".equals(uri.getAuthority()); } public static boolean isMediaDocument(Uri uri) { return "com.android.providers.media.documents".equals(uri.getAuthority()); } public static boolean isGooglePhotosUri(Uri uri) { return "com.google.android.apps.photos.content".equals(uri.getAuthority()); }